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====== IH: Suspension ======

====== Fork Oil for 1957-1985 Front Forks ======


  * The MoCo specifies HD Type B or E (and respective equivalents) fork oil depending on year model.

^Year Model^Fork Oil Type^Fork Oil Amount (Wet)^Fork Oil Amount (Dry)^^^
|**1957-1967 all models**|HD Type "B" or equivalent.((Clymer Repair Manual for Sportsters 1959-1985 pg 83)) ((Haynes Service Manual for Sportsters 1970-2010 pg 1.3))|3 1/2 fl oz((1959-1969 HD Sportster FSM pg 2F-15))((Clymer Repair Manual for Sportsters 1959-1985 pg VIII))|4 1/2 fl oz((1959-1969 HD Sportster FSM pg 2F-15))((Clymer Repair Manual for Sportsters 1959-1985 pg VIII))|||  
^1968-1969 all models^HD Type "B" or equivalent.((Clymer Repair Manual for Sportsters 1959-1985 pg 83)) ((Haynes Service Manual for Sportsters 1970-2010 pg 1.3))^4 1/2 fl oz ((1959-1969 HD Sportster FSM pg 2F-15))((Clymer Repair Manual for Sportsters 1959-1985 pg VIII))^5 1/2 fl oz ((1959-1969 HD Sportster FSM pg 2F-15))((Clymer Repair Manual for Sportsters 1959-1985 pg VIII))^^^
|**1970-1972 all models**|HD Type "B" or equivalent.((Clymer Repair Manual for Sportsters 1959-1985 pg 83)) ((Haynes Service Manual for Sportsters 1970-2010 pg 1.3))|5 1/2 fl oz ((1970-1978 HD Sportster FSM pg 2-21))((Clymer Repair Manual for Sportsters 1959-1985 pg VIII))|6 1/2 fl oz  ((1970-1978 HD Sportster FSM pg 2-21))((Clymer Repair Manual for Sportsters 1959-1985 pg VIII))||| 
^1972-1978 XR-750^    ^20 weight (Ceriani forks)^    ^^^
|**1980 XR-750**|    |10 weight (Marzocchi forks)|    |||
^1973-1978^HD Type "B" or equivalent.((Clymer Repair Manual for Sportsters 1959-1985 pg 83)) ((Haynes Service Manual for Sportsters 1970-2010 pg 1.3))^5 fl oz (148cc)((1970-1978 HD Sportster FSM pg 2-21))(((Haynes Service Manual for Sportsters 1970-2010 pg 1.3))^6 fl oz (177CC)((1970-1978 HD Sportster FSM pg 2-21))((Haynes Service Manual for Sportsters 1970-2010 pg 1.3))^^^  
|**1979-1983 all models**|HD Type "E" (99884-80). ((Clymer Repair Manual for Sportsters 1959-1985 pg 83)) ((Haynes Service Manual for Sportsters 1970-2010 pg 1.3))|5 fl oz (148cc)((1979-1985 HD Sportster FSM pg 2-47))(((Haynes Service Manual for Sportsters 1970-2010 pg 1.3))|6 fl oz (177CC)((1979-1985 HD Sportster FSM pg 2-47))((Haynes Service Manual for Sportsters 1970-2010 pg 1.3))||| 
^1984-1987 all models^HD Type "E" (99884-80).((Clymer Repair Manual for Sportsters 1959-1985 pg 83)) ((Haynes Service Manual for Sportsters 1970-2010 pg 1.3))^5.4 fl oz (160CC)((1986 - 1988 HD Sportster FSM pg 2-44))((1979-1985 HD Sportster FSM pg 2-47))  ((Haynes Service Manual for Sportsters 1970-2010 pg 1.3))^6.4 fl oz (189CC) ((1986 - 1988 HD Sportster FSM pg 2-44))((1979-1985 HD Sportster FSM pg 2-47))((Haynes Service Manual for Sportsters 1970-2010 pg 1.3))^^^


For more information on fork oil comparisons, see [[techtalk:ref:susp01#fork_oil|Fork Oil]] in the reference section.



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